[ Idioms ]
Scientists will break ___ in their search for new sources of energy.
a. up
b. through
c. out
Select your answer:
Random Topics:
Nouns, Articles, DeterminersEnglish for TourismVerb Tenses and Sentence StructureTime ConjunctionsPast Simple VS Used toModal Verbs and Gender NounsModals of AdviceZero & First ContidionalInfinitives and ING FormsOther quiz:
Conjunctions › ViewIs that a cat …….. a rabbit ?
A. and
B. or
Pronoun › View
………………. mother is a housewife.
A. Their
B. They’re
C. They
D. Them